{"id":5234,"date":"2016-12-05T22:15:13","date_gmt":"2016-12-05T13:15:13","guid":{"rendered":"https:\/\/y2tech.net\/blog\/?p=5234"},"modified":"2017-05-14T19:39:58","modified_gmt":"2017-05-14T10:39:58","slug":"diyinhk-ak4497eq-board","status":"publish","type":"post","link":"https:\/\/y2tech.net\/blog\/audio\/digital-audio\/diyinhk-ak4497eq-board-5234\/","title":{"rendered":"DIYINHK AK4497EQ \u57fa\u677f"},"content":{"rendered":"

DIYINHK AK4497EQ \u57fa\u677f\u306e\u6982\u8981<\/h3>\r\n
\r\n
\r\n\r\n\"AK4497\u57fa\u677f\u3000\u8868\u9762\"<\/a>\r\n
\r\nAK4497\u57fa\u677f\u3000\u8868\u9762<\/span>\r\n
\r\n
\r\n\r\n\"AK4497\u57fa\u677f\u3000\u88cf\u9762\"<\/a>\r\n
\r\nAK4497\u57fa\u677f\u3000\u88cf\u9762 <\/span>\r\n
\r\n
\r\n<\/div>\r\n

\uff11\u9031\u9593\u4ee5\u4e0a\u524d\u306b\u6ce8\u6587\u3057\u3066\u3044\u305f DIYINHK \u306eAK4497EQ DAC \u57fa\u677f\u304c\u3088\u3046\u3084\u304f\u5c4a\u3044\u305f\uff0eHonkong Post\u306e\u6020\u6162\u3067\u3001Honkong\u56fd\u5185\u306b\uff15\u65e5\u9593\u3082\u7559\u3081\u7f6e\u304b\u308c\u3066\u3057\u307e\u3063\u305f\uff0e\u3044\u3064\u3082\u306a\u3089\uff13\u301c\uff14\u65e5\u7a0b\u3067\u5c4a\u304f\u306e\u3060\u304c\u3001\u4eca\u56de\u306f9\u65e5\u3082\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\uff0e\u90f5\u4fbf\u6599\u91d1\u8fd4\u305b\uff01\uff01\uff01<\/p>\r\n
\r\n

\u4eca\u56de\u306eDIYINHK\u306eAK4497EQ\u57fa\u677f\u306b\u306f\u809d\u5fc3\u306eDAC\u30c1\u30c3\u30d7\u306f\u642d\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u81ea\u5206\u3067AK4497EQ\u3092\u8abf\u9054\u3057\u3066\u534a\u7530\u4ed8\u3051\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff0eAK4497EQ\u306f\u6700\u8fd1\u307e\u3067\u5e02\u5834\u306b\u6b86\u3069\u51fa\u56de\u3063\u3066\u304a\u3089\u305a\u3001\u4e00\u90e8\u306e\u7279\u5225\u306a\u30e6\u30fc\u30b6\u5411\u3051\u306b\u30b5\u30f3\u30d7\u30eb\u51fa\u8377\u3055\u308c\u3066\u3044\u305f\u306b\u904e\u304e\u306a\u304b\u3063\u305f\u304c\u300111\u6708\u4e0b\u65ec\u306b\u306a\u3063\u3066\u3088\u3046\u3084\u304f\u5e02\u5834\u306b\u51fa\u56de\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3060\uff0e<\/p>\r\n
\r\n

AK4497EQ\u30c1\u30c3\u30d7\u306f\u3001\u3053\u306e\u57fa\u677f\u304c\u5c4a\u304f\u524d\u306bDigi-Key\u304b\u3089\uff12\u500b\u8cfc\u5165\u3057\u3066\u3042\u308b\uff0e\u4f46\u3057\u3001\u65e5\u672c\u5186\u63db\u7b97\u3067\uff11\u500b5,876\u5186\u3082\u3059\u308b\uff0e\u305d\u306e\u3046\u3061\u5b89\u304f\u306f\u306a\u308b\u3060\u308d\u3046\u304c\u3001\u3053\u306e\u5024\u6bb5\u3067\u306f\u6c17\u8efd\u306b\u81ea\u4f5c\u306b\u6311\u6226\u3068\u306f\u884c\u304b\u306a\u3044\u3060\u308d\u3046\uff0e\u679c\u305f\u3057\u3066\u3053\u308c\u307e\u3067\u306e\u6700\u4e0a\u4f4dDACAK4495SEQ\u3092\u51cc\u99d5\u3059\u308b\u97f3\u3092\u594f\u3067\u3066\u304f\u308c\u308b\u306e\u3060\u308d\u3046\u304b\uff0e\u4eca\u5ea6\u306e\u9031\u672b\u306b\u3067\u3082\u97f3\u51fa\u3057\u3092\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3046\uff0e<\/p>\r\n
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\u8ffd\u8a18\uff1aDAC\u30c1\u30c3\u30d7\u3092\u5b9f\u88c5\u3057\u3066\u97f3\u51fa\u3057\u3057\u3066\u307f\u305f [ 5\/14 2017 ]<\/h4>\r\n
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\u5e74\u672b\u304b\u3089GW\u307e\u3067\u4ed5\u4e8b\u306e\u95a2\u4fc2\u3084\u81ea\u5b85\u306e\u5f15\u3063\u8d8a\u3057\u306a\u3069\u3067\u5168\u304f\u534a\u7530\u3054\u3066\u3059\u3089\u63e1\u308c\u306a\u3044\u72b6\u6cc1\u304c\u7d9a\u3044\u3066\u3044\u305f\u304c\u3001GW\u958b\u3051\u304b\u3089\u3088\u3046\u3084\u304f\u534a\u7530\u3054\u3066\u3092\u63e1\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001AK4497 DAC\u30c1\u30c3\u30d7\u3092\u5b9f\u88c5\u3057\u3066\u307f\u305f\uff0eDIYINHK\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3067\u306f\u3001\u30d2\u30fc\u30c8\u30ac\u30f3\u3092\u4f7f\u3063\u3066DAC\u30c1\u30c3\u30d7\u3092\u534a\u7530\u4ed8\u3051\u3059\u308b\u65b9\u6cd5\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u8868\u9762\u5b9f\u88c5\u90e8\u54c1\u306e\u30ea\u30ef\u30fc\u30af\u306b\u7fd2\u719f\u3057\u305f\u4eba\u3067\u3082\u7121\u3044\u9650\u308a\u3053\u306e\u65b9\u6cd5\u306f\u304a\u85a6\u3081\u3067\u304d\u306a\u3044\uff0e64pin\u306eHTQFP\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u7aef\u5b50\u9762\u3092\u30d2\u30fc\u30c8\u30ac\u30f3\u3067\u6307\u5b9a\u3055\u308c\u305f\u6e29\u5ea6\u3067\u5c40\u6240\u7684\u306b\u52a0\u71b1\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\uff0e\u79c1\u306f\u6700\u521d\u3053\u306e\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u307f\u305f\u304c\u3001\u4e0a\u624b\u304f\u884c\u304b\u305a\u306b\u57fa\u677f\u3092\u7126\u304c\u3057\u3066\u3057\u307e\u3044\u3001\u4e00\u90e8\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u5265\u304c\u308c\u3066\u3057\u307e\u3063\u305f\uff0eDAC\u30c1\u30c3\u30d7\u3082\uff11\u3064\u304a\u91c8\u8fe6\u3055\u307e\u306b\u3057\u3066\u3057\u307e\u3063\u305f\uff0e<\/p>\r\n
\r\n

\u6975\u7d30\u30c1\u30c3\u30d7\u306e\u534a\u7530\u3054\u3066\u3092\u4f7f\u3063\u3066\u3001\u6ce8\u610f\u6df1\u304f\u5404\u30d4\u30f3\u3092\u534a\u7530\u4ed8\u3051\u3059\u308b\u65b9\u304c\u78ba\u5b9f\u3060\u308d\u3046\uff0e\u771f\u3093\u4e2d\u306e\u30d9\u30bf\u30d1\u30bf\u30fc\u30f3\u3060\u3051\u306f\u534a\u7530\u3054\u3066\u3067\u306f\u3069\u3046\u306b\u3082\u306a\u3089\u306a\u3044\u306e\u3067\u3001\u4e88\u3081\u771f\u3093\u4e2d\u3092\u30c9\u30ea\u30eb\u3067\u7a74\u3092\u958b\u3051\u3066\u534a\u7530\u3092\u88cf\u304b\u3089\u76f4\u63a5\u52a0\u71b1\u3059\u308c\u3070DAC\u30c1\u30c3\u30d7\u306e\u88cf\u9762\u306e\u91d1\u5c5e\u9762\uff08\u30b5\u30fc\u30de\u30eb\u30d1\u30c3\u30c9\uff09\u306b\u534a\u7530\u4ed8\u3051\u3067\u304d\u305d\u3046\u3060\uff0eDIYINHK\u306eAK4497EQ\u57fa\u677f\u306f\u5358\u7d14\u306a\u4e21\u9762\u57fa\u677f\u306a\u306e\u3067\u3001\u3053\u306e\u7a74\u958b\u3051\u65b9\u6cd5\u3067\u3082\u554f\u984c\u306f\u306a\u3044\u3060\u308d\u3046\uff0e\u534a\u7530\u4ed8\u3051\u306b\u81ea\u4fe1\u306e\u7121\u3044\u5834\u5408\u306f\u591a\u5c11\u304a\u5024\u6bb5\u304c\u9ad8\u304f\u3064\u304f(139.95 USD\uff09\u304c\u3001\u6700\u521d\u304b\u3089DAC\u30c1\u30c3\u30d7\u5b9f\u88c5\u6e08\u307f\u306e\u57fa\u677f\u30bb\u30c3\u30c8\u3092\u8cfc\u5165\u3057\u305f\u65b9\u304c\u7121\u96e3\u3060\uff0e<\/p>\r\n
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\u4eca\u56de\u306e\u97f3\u51fa\u3057\u30c6\u30b9\u30c8\u306f\u3001DAC\u30c1\u30c3\u30d7\u306e\u30ec\u30b8\u30b9\u30bf\u5236\u5fa1\u3092\u884c\u3046\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u88fd\u4f5c\u304c\u9593\u306b\u5408\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u30d4\u30f3\u5236\u5fa1\u30e2\u30fc\u30c9\uff08\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5236\u5fa1\uff09\u30e2\u30fc\u30c9\u3067PCM\u3067\u884c\u3063\u305f\uff0eDIYINHK\u306eXMOS 768kHz DXD DSD512 USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u7d4c\u7531\u306e\u5834\u5408\u306f\u554f\u984c\u306a\u304f\u518d\u751f\u3067\u304d\u305f\u304c\u3001Beaglebone Black\/Green + Botic 7 \u306b\u3088\u308b I2S \u30c0\u30a4\u30ec\u30af\u30c8\u30a4\u30f3\u30d7\u30c3\u30c8\u306e\u7d44\u307f\u3042\u308f\u305b\u3067\u306f\u6700\u521d\u518d\u751f\u304c\u3067\u304d\u306a\u304b\u3063\u305f\uff0e<\/p>\r\n
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I2S \u30c0\u30a4\u30ec\u30af\u30c8\u30a4\u30f3\u30d7\u30c3\u30c8\u304c\u5931\u6557\u3057\u305f\u539f\u56e0\u3092\u63a2\u3063\u3066\u307f\u308b\u3068\u3001\u6700\u521d\u306e\u5931\u6557\u306f\u5358\u7d14\u306bBotic 7\u306e\u30de\u30b9\u30bf\u30af\u30ed\u30c3\u30af\u3092 45\/49 MHz \u306b\u8a2d\u5b9a\u3057\u3066\u3044\u305f\u4e8b\u304c\u539f\u56e0\u3060\u3063\u305f\uff0eAK4497\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u3088\u304f\u3088\u304f\u898b\u76f4\u3059\u3068\u8a2d\u5b9a\u53ef\u80fd\u306a\u30de\u30b9\u30bf\u30af\u30ed\u30c3\u30af\u5468\u6ce2\u6570\u306f\u6700\u5927\u3067\u3082 36.8640MHz \u3060\u3063\u305f\uff0e\u30de\u30b9\u30bf\u30af\u30ed\u30c3\u30af\u306e\u6c34\u6676\u767a\u632f\u5668\u3092 22\/24 MHz\u7cfb\u5217\u306b\u5dee\u3057\u66ff\u3048\u3066\u518d\u5ea6\u6311\u6226\u3059\u308b\u3082\u306e\u306e\u53c8\u3057\u3066\u3082\u97f3\u304c\u51fa\u306a\u304b\u3063\u305f\uff0e<\/p>\r\n
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Beaglebone Black\/Green + Botic 7 \u3068 \u4ed6\u306eDAC\u30c1\u30c3\u30d7( ES9018K2M \u306a\u3069\uff09\u306e\u5834\u5408\u306f\u554f\u984c\u7121\u304f\u97f3\u304c\u3067\u3066\u3044\u308b\u306e\u3067\u3001\u3069\u3046\u3084\u3089AK4497 \u30dc\u30fc\u30c9\u5074\u306b\u554f\u984c\u304c\u3042\u308a\u305d\u3046\u3060\uff0e XMOS 768kHz DXD DSD512 USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u97f3\u51fa\u3057\u3092\u3057\u305f\u5f8c\u3001DAC\u30c1\u30c3\u30d7\u306e\u96fb\u6e90\u3092\u5207\u3089\u305a\u306b\u5165\u529b\u3092Botic 7 \u5074\u306b\u5207\u308a\u66ff\u3048\u308b\u3068\u666e\u901a\u306b\u97f3\u304c\u518d\u751f\u3055\u308c\u308b\u4e8b\u304c\u5224\u3063\u305f\uff0e<\/p>\r\n
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XMOS 768kHz DXD DSD512 USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3068Botic 7 \u306eI2S\u51fa\u529b\u3067\u4f55\u304c\u9055\u3046\u306e\u304b\u63a8\u6e2c\u3057\u3066\u307f\u308b\u3068\u3001DAC\u30c1\u30c3\u30d7\u306e Power Down\u30ea\u30bb\u30c3\u30c8\u4fe1\u53f7\uff08AK4497\u30c1\u30c3\u30d7\u306e pin #2 \u306ePDN\u4fe1\u53f7\uff09\u306e\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u7570\u306a\u308b\u4e8b\u304c\u539f\u56e0\u306a\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u308f\u308c\u308b\uff0e\u6050\u3089\u304f\u3001XMOS 768kHz DXD DSD512 USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u518d\u751f\u306e\u524d\u306b\u4e00\u65e6\u3053\u306ePDN\u4fe1\u53f7\u30e9\u30a4\u30f3\uff08RST\u7aef\u5b50\uff09\u3092 “Low” \u306b\u3057\u3066DAC\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u3044\u308b\u306e\u3060\u308d\u3046\uff0e<\/p>\r\n
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Botic 7\u5074\u3067\u306f RST \u7aef\u5b50\u3092\u4f55\u3082\u64cd\u4f5c\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001DAC\u30c1\u30c3\u30d7\u5074\u306f\u96fb\u6e90\u6295\u5165\u6642\u306e\u72b6\u614b\u306e\u307e\u307e\u3060\uff0e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f “The AK4497 must always be reset upon power-up.” \u3068\u3042\u308b\u306e\u3067\u3001Botic 7 \u5074\u3067\u3082\u4f55\u3089\u304b\u306e\u65b9\u6cd5\u3067\u518d\u751f\u524d\u306b DAC\u30c1\u30c3\u30d7\u306e\u30ea\u30bb\u30c3\u30c8\u304c\u5fc5\u8981\u3060\u308d\u3046\uff0e\u30d4\u30f3\u5236\u5fa1\u30e2\u30fc\u30c9\u3060\u3051\u3067\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u96fb\u6e90\u6295\u5165\u5f8c\u306eDAC\u30c1\u30c3\u30d7\u30ea\u30bb\u30c3\u30c8\u306e\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3060\uff0e<\/p>\r\n
\r\n

\r\n\"Testing \r\n
\r\n\u97f3\u51fa\u3057\u30c6\u30b9\u30c8\u4e2d\u306e\u69d8\u5b50\uff08\u5de6\u5074\u57fa\u677f\uff1a \u30d2\u30fc\u30c8\u30ac\u30f3\u5931\u6557\u4f5c\u3001\u53f3\u5074\uff1a\u534a\u7530\u3054\u3066\u5b9f\u88c5\uff09 <\/span>\r\n
\r\n
\r\n<\/div>\r\n

\u4eca\u56de\u306f\u30d4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff09\u30e2\u30fc\u30c9\u3067\u306e\u30c6\u30b9\u30c8\u306a\u306e\u3067\u3001DAC\u30c1\u30c3\u30d7\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u53ef\u80fd\u306a\u9805\u76ee\u306f\u975e\u5e38\u306b\u9650\u5b9a\u7684\u3060\uff0e\u30c7\u30b8\u30bf\u30eb\u97f3\u58f0\u4fe1\u53f7\u306e\u5165\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f DIF0, DIF1, DIF2 \u30d4\u30f3\u3067\u8a2d\u5b9a\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3060\uff0e\u3053\u306e\u30d4\u30f3\u306fDAC\u30dc\u30fc\u30c9\u306e\uff13\u5217\u4e26\u3093\u3067\u3044\u308b\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u7aef\u5b50\u7fa4\u306b\u5f15\u304d\u51fa\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5408\u308f\u305b\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\uff0e<\/p>\r\n
\r\n

\u4eca\u56de\u306fI2S\u4fe1\u53f7\u306a\u306e\u3067\u3001DF2=”L”, DF1=”H”, DF0=”H” (16\/24bit I2S) \u304b DF2=”H”, DF1=”H”, DF0=”H” (32bit I2S) \u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308b\uff0e\u30c7\u30d5\u30a9\u30eb\u30c8\u304c 32bit\u5de6\u8a70 \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3053\u306e\u30d4\u30f3\u306e\u8a2d\u5b9a\u3092\u884c\u308f\u306a\u3044\u3068\u97f3\u304c\u3067\u306a\u3044\uff08\u6ec5\u8336\u82e6\u8336\u306a\u97f3\u304c\u51fa\u308b\uff1f\uff09\u3053\u3068\u306b\u306a\u308b\uff0e<\/p>\r\n
\r\n

\u30d4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30e2\u30fc\u30c9\u3067\u3082\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u306e\u9078\u629e\u304c\u53ef\u80fd\u3060\uff0e\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u5165\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u5207\u308a\u66ff\u3048\u3068\u540c\u69d8\u306b\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u7aef\u5b50\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3066\u597d\u307f\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u9078\u3079\u3070\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n

\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8a2d\u5b9a\u306f\u3001 SSLOW, SD, SLOW \u30d4\u30f3\u3067\u884c\u3046\u304c\u3001\u3053\u306e\u57fa\u677f\u3067\u306f\u3000SSLOW \u30d4\u30f3\u306f\u914d\u7dda\u3067\u5f37\u5236\u7684\u306b “L” \u306b\u843d\u3068\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001SSLOW\u30d4\u30f3\u3092\u81ea\u5206\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u305f\u3051\u308c\u3070\u3001\u30d4\u30f3\u7aef\u5b50\u306e “L” \u5074\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u30ab\u30c3\u30c8\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\uff0e<\/p>\r\n
\r\n

\u6b8b\u308a\u306e\u3001SD, SLOW \u30d4\u30f3\u306f\u30d5\u30ea\u30fc\uff08\u958b\u653e\uff09\u72b6\u614b\u3068\u8a00\u3044\u305f\u3044\u6240\u3060\u304c\u3001\u3053\u306e\u30d4\u30f3\u306f\u30ec\u30b8\u30b9\u30bf\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30e2\u30fc\u30c9\uff08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff09\u306e I2C\u5236\u5fa1\u30d4\u30f3(SCL,SDA)\u3068\u517c\u7528\u306e\u305f\u3081\u3001I2C\u5074\u306e\u90fd\u5408\u3067 \u56de\u8def\u7684\u306b”pull-up” \u3055\u308c\u3057\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u4f55\u3082\u3057\u306a\u3044\u3068 “H” \u72b6\u614b\u306e\u307e\u307e\u3060\uff0e”L” \u306b\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u3067\u5f37\u5236\u7684\u306b “L” \u5074\u306b\u8a2d\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff0e\u5f93\u3063\u3066\u3001\u4f55\u3082\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u3068 SSLOW=”L”, SD=”H”, SLOW=”H” (short-delay \/ slow roll off) \u3068\u3044\u3046\u3053\u3068\u306e\u3088\u3046\u3060\uff0e<\/p>\r\n
\r\n

\u5199\u771f\u306b\u5199\u3063\u3066\u3044\u308b3\u5217\u306e\u30d4\u30f3\u30d8\u30c3\u30c0\u306f\u5927\u962a\u65e5\u672c\u6a4b\u306e\u30b7\u30ea\u30b3\u30f3\u30cf\u30a6\u30b9\u5171\u7acb\u96fb\u5b50\u3067\u8cfc\u5165\u3057\u305f\uff0e\u79cb\u8449\u539f\u3067\u306f\u898b\u304b\u3051\u306a\u3044\u306e\u3067\u5927\u962a\u306b\u884c\u304f\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u3089\u3001\u5165\u624b\u3057\u3066\u304a\u304f\u3068\u826f\u3044\u3060\u308d\u3046\uff0e\u78ba\u304b\u30013 x 50 pin \u4ed5\u69d8\u306e\u7269\u304c\u58f2\u3089\u308c\u3066\u3044\u305f\uff0e\u4eca\u56de\u306e\u69d8\u306a “H”\/”L”\u4e21\u4ed5\u69d8\u306e\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u8a2d\u5b9a\u306b\u91cd\u5b9d\u3059\u308b.<\/p>\r\n
\r\n

\r\n\"Jumper \r\n
\r\n SSLOW\u30d4\u30f3\u306f\u914d\u7dda\u3067”L” \u5074\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u5909\u66f4\u3059\u308b\u306b\u306f\u30d1\u30bf\u30fc\u30f3\u30ab\u30c3\u30c8\u304c\u5fc5\u8981\u3060 <\/span>\r\n
\r\n
\r\n\"\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u3067\u5404\u7a2e\u8a2d\u5b9a\u3092\u884c\u3046\"\r\n
\r\n \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e2\u30fc\u30c9\u3067\u306f\u4e88\u3081\u5165\u529b\u4fe1\u53f7\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u30fc\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b<\/span>\r\n
\r\n<\/div>\r\n
\r\n

\u809d\u5fc3\u306e\u97f3\u8cea\u306b\u3064\u3044\u3066\u306f\u3001\u307e\u3060\u30a8\u30fc\u30b8\u30f3\u30b0\u3059\u3089\u6e08\u3093\u3067\u3044\u306a\u3044\u8d85\u9069\u5f53\u306a\u96d1\u914d\u7dda\u72b6\u614b\u306a\u306e\u3067\u30cf\u30c3\u30ad\u30ea\u3057\u305f\u4e8b\u306f\u8a00\u3048\u306a\u3044\u304c\u3001\u6700\u521d\u306e\u97f3\u304c\u51fa\u3066\u304d\u305f\u6642\u70b9\u3067\u30af\u30aa\u30ea\u30c6\u30a3\u30fc\u306e\u9ad8\u3055\u304c\u611f\u3058\u3089\u308c\u308b\uff0e\u30d1\u30fc\u30c4\u3084\u56de\u8def\u69cb\u6210\u3001\u914d\u7dda\u30d1\u30bf\u30fc\u30f3\u306a\u3069\u541f\u5473\u3057\u3066\u8a2d\u8a08\u3059\u308c\u3070\u3001\u305d\u308c\u306b\u7b54\u3048\u305f\u7d20\u6674\u3089\u3057\u3044\u97f3\u3092\u594f\u3067\u3066\u304f\u308c\u305d\u3046\u3060\uff0e<\/p>\r\n
\r\n

ESS\u793e\u306e ES9038PRO \u306e\u97f3\u51fa\u3057\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3089\u3001\u4e21\u8005\u3067\u6bd4\u8f03\u3057\u3066\u6211\u304c\u5bb6\u306e\u30d7\u30e9\u30a4\u30de\u30eaDAC\u30c1\u30c3\u30d7\u3092\u9078\u307c\u3046\u3068\u601d\u3046\uff0e\u3044\u3063\u305d\u306e\u3053\u3068\u4e21\u65b9\u642d\u8f09\u3057\u3066\u30b9\u30a4\u30c3\u30c1\u3067\u7c21\u5358\u306b\u51fa\u529b\u3092\u5207\u308a\u66ff\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u3088\u3046\u304b\u306a\uff0e\uff0e\uff0e<\/p>\r\n
\r\n\r\n

\r\n

DAC\u30c1\u30c3\u30d7\u306e\u534a\u7530\u4ed8\u3051\u4f5c\u696d\u306f\u3053\u3093\u306a\u611f\u3058<\/h4>\r\n
\r\n

0.5mm\u30d4\u30c3\u30c1\u306e64\u30d4\u30f3QFP\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u624b\u4f5c\u696d\u3067\u306e\u534a\u7530\u4ed8\u3051\u306f\u7d50\u69cb\u5927\u5909\u3060\uff0e\u6700\u521d\u304b\u3089\u30ea\u30d5\u30ed\u30fc\u306b\u3088\u308b\u534a\u7530\u4ed8\u3051\u304c\u524d\u63d0\u3067\u3042\u308c\u3070\u305d\u308c\u7a0b\u82e6\u52b4\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3068\u601d\u3046\u304c\u3001\u4eca\u56de\u306e\u3088\u3046\u306b\u534a\u7530\u304c\u76db\u3089\u308c\u305f\u30d1\u30c3\u30c9\u3060\u3051\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u7279\u6b8a\u306a\u5834\u5408\u306f\u3001\u5b9f\u969b\u306b\u4f5c\u696d\u3092\u3084\u3063\u3066\u307f\u306a\u3044\u3068\u534a\u7530\u4ed8\u3051\u306e\u8981\u9818\u304c\u5224\u3089\u306a\u3044\u3060\u308d\u3046\uff0e\u30ea\u30d5\u30ed\u30fc\u306e\u3088\u3046\u306a\u7dba\u9e97\u306a\u4ed5\u4e0a\u304c\u308a\u306f\u671b\u3081\u306a\u3044\u304c\u3001\u898b\u305f\u76ee\u306e\u919c\u3055\u3092\u6c17\u306b\u3057\u306a\u3051\u308c\u3070\u624b\u534a\u7530\u4f5c\u696d\u3067\u3082\u554f\u984c\u306f\u306a\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n
\r\n

\r\n\"\u30b5\u30fc\u30de\u30eb\u30d1\u30c3\u30c9\u90e8\u5206\u306b\u8cab\u901a\u7a74\u3092\u958b\u3051\u308b\" \r\n
\r\n\u30b5\u30fc\u30de\u30eb\u30d1\u30c3\u30c9\u306e\u4e2d\u5fc3\u3088\u308a\u5c11\u3057\u305a\u3089\u305b\u3066\u30c9\u30ea\u30eb\u30673\u301c5mm\u7a0b\u5ea6\u306e\u8cab\u901a\u7a74\u3092\u958b\u3051\u308b <\/span>\r\n
\r\n
\r\n\"\u88cf\u9762\u5074\u306e\u8cab\u901a\u7a74\u306e\u51e6\u7406\"\r\n
\r\n\u88cf\u9762\u5074\u306e\u30d9\u30bf\u30a2\u30fc\u30b9\u90e8\u5206\u306e\u7a74\u306e\u5468\u8fba\u306e\u30ec\u30b8\u30b9\u30c8\u3092\u5265\u304c\u3057\u3066\u304a\u304f <\/span>\r\n
\r\n
\r\n\"\u5b9f\u4f53\u9855\u5fae\u93e1\u304c\u3042\u308b\u3068\u4fbf\u5229\" \r\n
\r\n\u3053\u306e\u624b\u306e\u4f5c\u696d\u306b\u306f\u5b9f\u4f53\u9855\u5fae\u93e1\u304c\u3042\u308b\u3068\u4fbf\u5229\uff08\u500d\u7387\u306f20\u500d\u7a0b\u5ea6\uff09 <\/span>\r\n
\r\n
\r\n\"\u534a\u7530\u4ed8\u3051\u4f5c\u696d\" \r\n
\r\n\u4f4d\u7f6e\u306e\u305a\u308c\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u56db\u9685\u306e\u30d4\u30f3\u304b\u3089\u534a\u7530\u4ed8\u3051\u3057\u3066\u3044\u304f\uff08\u7aef\u5b50\u306b\u30d5\u30e9\u30c3\u30af\u30b9\u3092\u305f\u3063\u3077\u308a\u5857\u3063\u3066\u304a\u304f\u4e8b\u304c\u809d\u5fc3\uff09<\/span>\r\n
\r\n
\r\n\"\u88cf\u9762\u304b\u3089\u3082\u534a\u7530\u6d41\u3057\u8fbc\u307f\" \r\n
\r\n\u88cf\u9762\u5074\u306e\u8cab\u901a\u7a74\u304b\u3089\u71b1\u5bb9\u91cf\u306e\u5927\u304d\u306a\u534a\u7530\u3054\u3066\u3092\u4f7f\u3063\u3066\u534a\u7530\u3092\u6d41\u3057\u8fbc\u3080 <\/span>\r\n
\r\n
\r\n\"DAC\u30c1\u30c3\u30d7\u534a\u7530\u4ed8\u3051\u7d42\u4e86\" \r\n
\r\nDAC\u30c1\u30c3\u30d7\u306e\u534a\u7530\u4ed8\u3051\u7d42\u4e86\uff08\u307e\u3060\u6e05\u6383\u524d\u306e\u6c5a\u3044\u72b6\u614b\uff09<\/span>\r\n
\r\n\r\n<\/div>","protected":false},"excerpt":{"rendered":"\uff11\u9031\u9593\u4ee5\u4e0a\u524d\u306b\u6ce8\u6587\u3057\u3066\u3044\u305f DIYINHK \u306eAK4497EQ DAC \u57fa\u677f\u304c\u3088\u3046\u3084\u304f\u5c4a\u3044\u305f\uff0e\r\n\u4eca\u56de\u306eDIYINHK\u306eAK4497EQ\u57fa\u677f\u306b\u306f\u809d\u5fc3\u306eDAC\u30c1\u30c3\u30d7\u306f\u642d\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u81ea\u5206\u3067AK4497EQ\u3092\u8abf\u9054\u3057\u3066\u534a\u7530\u4ed8\u3051\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff0eAK4497EQ\u306f\u6700\u8fd1\u307e\u3067\u5e02\u5834\u306b\u6b86\u3069\u51fa\u56de\u3063\u3066\u304a\u3089\u305a\u3001\u4e00\u90e8\u306e\u7279\u5225\u306a\u30e6\u30fc\u30b6\u5411\u3051\u306b\u30b5\u30f3\u30d7\u30eb\u51fa\u8377\u3055\u308c\u3066\u3044\u305f\u306b\u904e\u304e\u306a\u304b\u3063\u305f\u304c\u300111\u6708\u4e0b\u65ec\u306b\u306a\u3063\u3066\u3088\u3046\u3084\u304f\u5e02\u5834\u306b\u51fa\u56de\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3060\uff0e","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[713],"tags":[746,661],"class_list":["post-5234","post","type-post","status-publish","format-standard","hentry","category-digital-audio","tag-ak4497eq","tag-diyinhk"],"_links":{"self":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/5234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/comments?post=5234"}],"version-history":[{"count":3,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/5234\/revisions"}],"predecessor-version":[{"id":5593,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/5234\/revisions\/5593"}],"wp:attachment":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/media?parent=5234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/categories?post=5234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/tags?post=5234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}